The simplejson shipped with web2py and the os version of simplejson conflicted is a really bad problem.
I *need* simplejson installed on the system so that other python programs can use it. However, I can't use web2py then! Very annoying situation. -- Thadeus On Tue, Jun 8, 2010 at 12:17 PM, Salvor Hardin <salvor.pub...@gmail.com> wrote: > The lastest trunk, revision 689fb804f2 (2010-06-08), fixed the > "communication error" on Ubuntu 10.04. > > Here's what I did: > 1. Uninstalled simplejson 2.1.1 in Ubuntu using: > "sudo easy_install -m simplejson" > 2. Confirmed that "communication error" comes back after uninstall. > 3. Cloned web2py trunk using: > "sudo -u www-data hg clone https://web2py.googlecode.com/hg/ > web2py" > 4. Confirmed web2py works without "communication error" on Ubuntu > 10.04. > > Thank you for amazing support. I find it interesting that web2py > 1.79.1 worked without problems on Windows (even with Python 2.6.5 and > web2py 1.79.1 src code version.) > > On Jun 7, 11:38 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: >> On Jun 7, 11:30 pm, Salvor Hardin <salvor.pub...@gmail.com> wrote: >> >> > Thank you! >> >> > Your suggestion fixed the "communication error" on Ubuntu Server 10.04 >> > when saving files using ajax editor. >> >> > Here are the 3 steps in case you want to cut/paste to FAQ: >> >> > 1. sudo aptitude install python-setuptools >> > 2. sudo easy_install simplejson >> > 3. sudo /etc/init.d/apache2 restart >> >> > Speaking of 3rd-party libraries, I noticed jquery 1.4.2 is >> > available :) >> >> In trunk now. please give it a try. >> >> >> >> >> >> > On Jun 7, 10:43 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: >> >> > > aha. json problem. We upgraded to the latest simplejson. Yo may have >> > > an older version installed in your system that is conflicting with >> > > it. >> >> > > user easy_install to upgrade simplejson >> >> > > On Jun 7, 9:21 pm, Salvor Hardin <salvor.pub...@gmail.com> wrote: >> >> > > > I'm sorry, I looked in the wrong directory and made a mistake with >> > > > Firebug. >> >> > > > I found this in admin/errors/ and hope you find it useful: >> >> > > > Traceback (most recent call last): >> > > > File "gluon/restricted.py", line 178, in restricted >> > > > exec ccode in environment >> > > > File "/srv/web2py/applications/admin/controllers/default.py", line >> > > > 1060, in <module> >> > > > File "gluon/globals.py", line 96, in <lambda> >> > > > self._caller = lambda f: f() >> > > > File "/srv/web2py/applications/admin/controllers/default.py", line >> > > > 404, in edit >> > > > return response.json({'file_hash': file_hash, 'saved_on': >> > > > saved_on, 'functions':functions, 'controller': controller, >> > > > 'application': request.args[0] }) >> > > > File "gluon/globals.py", line 203, in json >> > > > return json(data) >> > > > File "gluon/serializers.py", line 29, in json >> > > > return simplejson.dumps(value) >> > > > File "gluon/contrib/simplejson/__init__.py", line 228, in dumps >> > > > return _default_encoder.encode(obj) >> > > > File "gluon/contrib/simplejson/encoder.py", line 229, in encode >> > > > chunks = self.iterencode(o, _one_shot=True) >> > > > File "gluon/contrib/simplejson/encoder.py", line 290, in iterencode >> > > > self.skipkeys, self.allow_nan, key_memo, self.use_decimal) >> > > > TypeError: make_encoder() takes at most 9 arguments (11 given) >> >> > > > On Jun 7, 1:04 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: >> >> > > > > try the following. delete all your tickets app/errors/* >> > > > > reproduce the problem and see if you find a new ticket file. If so, >> > > > > please email it to me. >> >> > > > > On Jun 7, 12:43 pm, Salvor Hardin <salvor.pub...@gmail.com> wrote: >> >> > > > > > Here's what I tried: >> >> > > > > > * I setup SSH tunnel from my Vista desktop's localhost:8080 to >> > > > > > ubuntu.private.lan:80. >> > > > > > * I modified Apache2's <virtualhost *:80> to enable access to >> > > > > > /admin >> >> > > > > > The new non-HTTPS, ssh-tunneled, remote URL to ubuntu.private.lan >> > > > > > is: >> >> > > > > > >> > > > > > http://localhost:8080/admin/default/edit/myblog/views/default/index.html >> >> > > > > > I got same problem again on Firefox and Chrome. Files get saved >> > > > > > successfully, but "Last Saved On" field shows "communication >> > > > > > error" in >> > > > > > red background color every time I click Save button. >> >> > > > > > Next, I'll try using Rocket on Ubuntu, just for debugging this >> > > > > > problem. Rocket won't be approved for production servers here >> > > > > > (this >> > > > > > summer), so I hope we can find a solution using Apache 2.2.14. >> >> > > > > > On Jun 7, 11:58 am, mdipierro <mdipie...@cs.depaul.edu> wrote: >> >> > > > > > > Does it work without ssl? Which browser are you using? Have you >> > > > > > > tried >> > > > > > > other browsers? >> >> > > > > > > Massimo >> >> > > > > > > On Jun 7, 11:47 am, Salvor Hardin <salvor.pub...@gmail.com> >> > > > > > > wrote: >> >> > > > > > > > I'm new to web2py and python (currently evaluating python >> > > > > > > > frameworks >> > > > > > > > to replace Ruby on Rails on production servers by July 4th >> > > > > > > > weekend.) >> >> > > > > > > > PROBLEM: >> >> > > > > > > > * Saving a file using the admin interface displays a red >> > > > > > > > "communication error" in the "Last Saved On" field. However, >> > > > > > > > when I >> > > > > > > > click Reload in the browser, a new date and time appears >> > > > > > > > correctly so >> > > > > > > > the file is successfully saved. >> >> > > > > > > > I'm using HTTPS (web2py is not running on 127.0.0.1.) >> >> > > > > > > > SYSTEM: >> > > > > > > > * Software: web2py 1.79.1, Python 2.6.5, Apache 2.2.14, >> > > > > > > > mod_wsgi 2.8, >> > > > > > > > OpenSSL 0.98k, sqlite 3.6.22 >> > > > > > > > * Browsers: Latest stable versions of Chrome and Firefox on >> > > > > > > > Vista 32- >> > > > > > > > bit >> > > > > > > > * OS: Ubuntu Server 10.04 LTS guest running in Virtual PC >> > > > > > > > 2007 SP1 on >> > > > > > > > Vista 32-bit host >> > > > > > > > (because Virtual PC 2007 only uses ~16 (sixteen) MB >> > > > > > > > RAM for >> > > > > > > > actively used Ubuntu Server 10.04 guest setup with 512 MB RAM, >> > > > > > > > and because my work desktop is Vista, and I need to >> > > > > > > > develop >> > > > > > > > web apps on identical OS & packages as the production server >> > > > > > > > due to >> > > > > > > > policy) >> >> > > > > > > > CONFIGURATION: >> >> > > > > > > > I'm using HTTPS, so here's the SSL portion of the Apache2 >> > > > > > > > config >> > > > > > > > (ubuntu.private.lan is the dev machine mapped to a LAN >> > > > > > > > address): >> >> > > > > > > > <VirtualHost *:80> >> > > > > > > > ServerName ubuntu.private.lan >> > > > > > > > WSGIDaemonProcess web2py user=www-data group=www-data >> > > > > > > > display- >> > > > > > > > name=web2py >> > > > > > > > ... >> > > > > > > > </VirtualHost> >> >> > > > > > > > <IfModule mod_ssl.c> >> > > > > > > > <VirtualHost *:443> >> > > > > > > > ServerName ubuntu.private.lan >> >> > > > > > > > SSLEngine on >> > > > > > > > SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem >> > > > > > > > SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key >> > > > > > > > <FilesMatch "\.(cgi|shtml|phtml|php)$"> >> > > > > > > > SSLOptions +StdEnvVars >> > > > > > > > </FilesMatch> >> > > > > > > > <Directory /usr/lib/cgi-bin> >> > > > > > > > SSLOptions +StdEnvVars >> > > > > > > > </Directory> >> > > > > > > > BrowserMatch "MSIE [2-6]" nokeepalive ssl-unclean-shutdown >> > > > > > > > downgrade-1.0 force-response-1.0 >> > > > > > > > # MSIE 7 and newer should be able to use keepalive >> > > > > > > > BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown >> >> > > > > > > > # WSGIDaemonProcess defined is under <VirtualHost *:80> as: >> > > > > > > > WSGIDaemonProcess web2py user=www-data group=www-data display- >> > > > > > > > name=web2py >> > > > > > > > WSGIProcessGroup web2py >> > > > > > > > WSGIScriptAlias / /srv/web2py/wsgihandler.py >> >> > > > > > > > <Directory /srv/web2py> >> > > > > > > > AllowOverride None >> > > > > > > > Order Allow,Deny >> > > > > > > > Deny from all >> > > > > > > > <Files wsgihandler.py> >> > > > > > > > Allow from all >> > > > > > > > </Files> >> > > > > > > > </Directory> >> >> > > > > > > > AliasMatch ^/([^/]+)/static/(.*) \ >> > > > > > > > /srv/web2py/applications/$1/static/$2 >> >> > > > > > > > <Directory /srv/web2py/applications/*/static/> >> > > > > > > > Order Allow,Deny >> > > > > > > > Allow from all >> > > > > > > > </Directory> >> >> > > > > > > > CustomLog /var/log/apache2/access.log common >> > > > > > > > ErrorLog /var/log/apache2/error.log >> >> > > > > > > > </VirtualHost> >> > > > > > > > </IfModule> >
